Journal of Animal Research
  • Year: 2022
  • Volume: 12
  • Issue: 4

Supplementation of probiotic and fibrolytic enzymes on growth performance and nutrient utilization in crossbred calves

  • Author:
  • M. Harani1, MVAN Suryanarayana2, B. Devasena2, Y. Ravindra Reddy3, S. Venkateswarlu2,*
  • Total Page Count: 7
  • Published Online: Jul 17, 2023
  • Page Number: 561 to 567

1Scientist, Krishi Vigyan Kendra, Kalyandurgam, Anantapur, Andhra Pradesh, India

2Department of Animal Nutrition, College of Veterinary Science, Tirupati, Sri Venkateswara Veterinary University, Andhra Pradesh, India

3Department of Livestock Production Management, College of Veterinary Science, Tirupati, Sri Venkateswara Veterinary University, Andhra Pradesh, India

*Corresponding author: S Venkateswarlu; E-mail: venkat.swanra05@gmail.com

Online Published on 17 July, 2023.

Abstract

The present study was conducted to evaluate the combined effect of yeast (Saccharomyces cerevisiae) and exogenous fibrolytic enzymes (EFE; Cellulase, Xylanase and ß-glucanase) at 2 levels 10 and 15g/animal/day on growth performance and nutrient utilization in cross bred calves. Twenty-four male Jersey × Sahiwal crossbred calves were randomly divided into 3 groups (5-6 months age, 80-90 kg B.Wt) and were fed with ad libtumAPBN-1 and concentrate feed @ 1 % of body weight as a basal ration (T1) which is supplemented with RumEest-ESF at 10 and 15g/animal/day to make groups T2 and T3 groups, respectively for a period of 90 days. The average daily gain was higher (P>0.05) in T3 (599.6 g/d) over T2 (578.3 g/d) and T1 (543.6 g/d). No differences were observed for initial and final body weights of the calves. Improved Feed efficiency was observed in yeast and EFE supplemented groups compared to control. The digestibility coefficient of OM, CP, CF, NDF and Hemi-cellulose were found to be significantly (P< 0.05) higher in T3 among treatments. The DM intakes (kg/day) were 2.46, 2.55 and 2.42 in T1, T2 and T3, respectively. The % DCP and % TDN were significantly (P<0.05) higher in yeast and EFE supplemented group compared to control. Further, the behavioural traits were non-significant, except for total ruminating time (P< 0.05) which was higher in T2 and T3 than T1. It was concluded that supplementation of probiotics and EFE has shown improved feed efficiency, growth rate and rumination time in crossbred calves.

• Significantly higher (P<0.05) digestibility of organic matter, Crude protein and crude fiber was observed in probiotics and exogenous fibrolytic enzymes supplemented calves.

• Average daily gain was higher in probitics and EFE supplemented calves.

Keywords

Behavioural traits, Crossbred Calves, Cellulase, Growth, Saccharomyces cerevisiae